ALLOWANCE FOR CREDIT LOSSES, Activity (Details) - USD ($) $ in Thousands	6 Months Ended
	Sep. 30, 2020		Sep. 30, 2019
Activity in reserves for credit losses [Roll Forward]
Balance	$ 3,189		$ 2,614
Provision for credit losses	1,766		299
Write-offs and other	(61)		(45)
Balance	4,894		2,868
Accounts Receivable [Member]
Activity in reserves for credit losses [Roll Forward]
Balance	1,781		1,579
Provision for credit losses	576		311
Write-offs and other	(27)		(42)
Balance	2,330		1,848
Notes Receivable [Member]
Activity in reserves for credit losses [Roll Forward]
Balance	798	[1]	505
Provision for credit losses	566		15
Write-offs and other	(27)		0
Balance	1,337	[1]	520
Lease Receivables [Member]
Activity in reserves for credit losses [Roll Forward]
Balance	610	[1]	530
Provision for credit losses	624		(27)
Write-offs and other	(7)		(3)
Balance	$ 1,227	[1]	$ 500

[1] Refer to Note 7, “Allowance for Credit Losses” for details.